Method of liquid phase diffusion bonding of metal bodies

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United States of America Patent

PATENT NO 4988035
SERIAL NO

07403789

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Abstract

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Insert 1 comprises thin substrate made by cold-rolling, and two bonding alloy layers formed by plating on the upper and lower surfaces of substrate, respectively. Both layers is extremely thin, and is made of an alloy having a melting point lower than that of substrate. Insert 1 is used to achieve liquid phase diffusion bonding of first and second base metals. Insert 1 is interposed between first base metal and second base metal. Then, insert 1 and base metals are clamped together with a pressure of, for example, 0.5 kgf/mm.sup.2, and are placed in a atmosphere of a low pressure of about 10.sup.-4 Torr and heated to the melting point of alloy layers or to a temperature above this melting point but below the melting points of substrate and plates.

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Patent Owner(s)

Patent OwnerAddress
NIPPON KOKAN KABUSHIKI KAISHA1-2 1-CHOME MARUNOUCHI CHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kagechika, Hiroshi Tokyo, JP 17 85
Kojima, Toshifumi Tokyo, JP 18 392
Kosuge, Shigeyoshi Tokyo, JP 4 53
Ueno, Yasuhiro Tokyo, JP 111 729
Watanabe, Itaru Tokyo, JP 36 377

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